[{"data":1,"prerenderedAt":2228},["ShallowReactive",2],{"navigation_docs":3,"-integrate-adapters-self-hosted-fs":581,"-integrate-adapters-self-hosted-fs-surround":2223},[4,35,85,138,318,458,517,556],{"title":5,"path":6,"stem":7,"children":8,"page":34},"Start","\u002Fstart","1.start",[9,14,19,24,29],{"title":10,"path":11,"stem":12,"icon":13},"Introduction","\u002Fstart\u002Fintroduction","1.start\u002F1.introduction","i-lucide-info",{"title":15,"path":16,"stem":17,"icon":18},"Why start with evlog","\u002Fstart\u002Fwhy-evlog","1.start\u002F2.why-evlog","i-lucide-rocket",{"title":20,"path":21,"stem":22,"icon":23},"Installation","\u002Fstart\u002Finstallation","1.start\u002F3.installation","i-lucide-download",{"title":25,"path":26,"stem":27,"icon":28},"Quick Start","\u002Fstart\u002Fquick-start","1.start\u002F4.quick-start","i-lucide-zap",{"title":30,"path":31,"stem":32,"icon":33},"Choose your logger","\u002Fstart\u002Ftypescript-logging-library","1.start\u002F5.typescript-logging-library","i-lucide-file-code",false,{"title":36,"path":37,"stem":38,"children":39,"page":34},"Learn","\u002Flearn","2.learn",[40,45,50,55,60,65,70,75,80],{"title":41,"path":42,"stem":43,"icon":44},"Overview","\u002Flearn\u002Foverview","2.learn\u002F0.overview","i-lucide-list",{"title":46,"path":47,"stem":48,"icon":49},"Simple Logging","\u002Flearn\u002Fsimple-logging","2.learn\u002F1.simple-logging","i-lucide-terminal",{"title":51,"path":52,"stem":53,"icon":54},"Wide Events","\u002Flearn\u002Fwide-events","2.learn\u002F2.wide-events","i-lucide-layers",{"title":56,"path":57,"stem":58,"icon":59},"Structured Errors","\u002Flearn\u002Fstructured-errors","2.learn\u002F3.structured-errors","i-lucide-shield-alert",{"title":61,"path":62,"stem":63,"icon":64},"Lifecycle","\u002Flearn\u002Flifecycle","2.learn\u002F4.lifecycle","i-lucide-arrow-right-left",{"title":66,"path":67,"stem":68,"icon":69},"Sampling","\u002Flearn\u002Fsampling","2.learn\u002F5.sampling","i-lucide-filter",{"title":71,"path":72,"stem":73,"icon":74},"Auto-Redaction","\u002Flearn\u002Fredaction","2.learn\u002F6.redaction","i-lucide-eye-off",{"title":76,"path":77,"stem":78,"icon":79},"Typed Fields","\u002Flearn\u002Ftyped-fields","2.learn\u002F7.typed-fields","i-simple-icons-typescript",{"title":81,"path":82,"stem":83,"icon":84},"Catalogs","\u002Flearn\u002Fcatalogs","2.learn\u002F8.catalogs","i-lucide-book-open",{"title":86,"path":87,"stem":88,"children":89,"page":34},"CLI","\u002Fcli","3.cli",[90,93,98,103,108,113,118,123,128,133],{"title":41,"path":91,"stem":92,"icon":49},"\u002Fcli\u002Foverview","3.cli\u002F0.overview",{"title":94,"path":95,"stem":96,"icon":97},"init","\u002Fcli\u002Finit","3.cli\u002F1.init","i-lucide-wand-sparkles",{"title":99,"path":100,"stem":101,"icon":102},"map","\u002Fcli\u002Fmap","3.cli\u002F2.map","i-lucide-radar",{"title":104,"path":105,"stem":106,"icon":107},"Rules","\u002Fcli\u002Frules","3.cli\u002F3.rules","i-lucide-list-checks",{"title":109,"path":110,"stem":111,"icon":112},"Scoring","\u002Fcli\u002Fscoring","3.cli\u002F4.scoring","i-lucide-gauge",{"title":114,"path":115,"stem":116,"icon":117},"CI","\u002Fcli\u002Fci","3.cli\u002F5.ci","i-lucide-git-pull-request",{"title":119,"path":120,"stem":121,"icon":122},"doctor","\u002Fcli\u002Fdoctor","3.cli\u002F6.doctor","i-lucide-stethoscope",{"title":124,"path":125,"stem":126,"icon":127},"telemetry","\u002Fcli\u002Ftelemetry","3.cli\u002F7.telemetry","i-lucide-bar-chart-3",{"title":129,"path":130,"stem":131,"icon":132},"agents","\u002Fcli\u002Fagents","3.cli\u002F8.agents","i-lucide-bot",{"title":134,"path":135,"stem":136,"icon":137},"Observability Score","\u002Fcli\u002Fobservability-score","3.cli\u002F9.observability-score","i-lucide-activity",{"title":139,"path":140,"stem":141,"children":142,"page":34},"Integrate","\u002Fintegrate","4.integrate",[143,147,230],{"title":41,"path":144,"stem":145,"icon":146},"\u002Fintegrate\u002Foverview","4.integrate\u002F0.overview","i-lucide-plug",{"title":148,"path":149,"stem":150,"children":151,"page":34},"Adapters","\u002Fintegrate\u002Fadapters","4.integrate\u002Fadapters",[152,155,185,210],{"title":41,"path":153,"stem":154,"icon":44},"\u002Fintegrate\u002Fadapters\u002Foverview","4.integrate\u002Fadapters\u002F01.overview",{"title":156,"path":157,"stem":158,"children":159,"page":34},"Cloud","\u002Fintegrate\u002Fadapters\u002Fcloud","4.integrate\u002Fadapters\u002Fcloud",[160,165,170,175,180],{"title":161,"path":162,"stem":163,"icon":164},"Axiom","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Faxiom","4.integrate\u002Fadapters\u002Fcloud\u002F01.axiom","i-custom-axiom",{"title":166,"path":167,"stem":168,"icon":169},"PostHog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fposthog","4.integrate\u002Fadapters\u002Fcloud\u002F02.posthog","i-simple-icons-posthog",{"title":171,"path":172,"stem":173,"icon":174},"Sentry","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fsentry","4.integrate\u002Fadapters\u002Fcloud\u002F03.sentry","i-simple-icons-sentry",{"title":176,"path":177,"stem":178,"icon":179},"Better Stack","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fbetter-stack","4.integrate\u002Fadapters\u002Fcloud\u002F04.better-stack","i-simple-icons-betterstack",{"title":181,"path":182,"stem":183,"icon":184},"Datadog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fdatadog","4.integrate\u002Fadapters\u002Fcloud\u002F05.datadog","i-simple-icons-datadog",{"title":186,"path":187,"stem":188,"children":189,"page":34},"Cloud or Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fhybrid","4.integrate\u002Fadapters\u002Fhybrid",[190,195,200,205],{"title":191,"path":192,"stem":193,"icon":194},"Grafana Loki","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Floki","4.integrate\u002Fadapters\u002Fhybrid\u002F01.loki","i-simple-icons-grafana",{"title":196,"path":197,"stem":198,"icon":199},"ClickHouse","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fclickhouse","4.integrate\u002Fadapters\u002Fhybrid\u002F02.clickhouse","i-simple-icons-clickhouse",{"title":201,"path":202,"stem":203,"icon":204},"OTLP","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fotlp","4.integrate\u002Fadapters\u002Fhybrid\u002F03.otlp","i-simple-icons-opentelemetry",{"title":206,"path":207,"stem":208,"icon":209},"HyperDX","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fhyperdx","4.integrate\u002Fadapters\u002Fhybrid\u002F04.hyperdx","i-custom-hyperdx",{"title":211,"path":212,"stem":213,"children":214,"page":34},"Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fself-hosted","4.integrate\u002Fadapters\u002Fself-hosted",[215,220,225],{"title":216,"path":217,"stem":218,"icon":219},"File System","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Ffs","4.integrate\u002Fadapters\u002Fself-hosted\u002F01.fs","i-lucide-hard-drive",{"title":221,"path":222,"stem":223,"icon":224},"NuxtHub","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fnuxthub","4.integrate\u002Fadapters\u002Fself-hosted\u002F02.nuxthub","i-simple-icons-nuxt",{"title":226,"path":227,"stem":228,"icon":229},"Memory","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fmemory","4.integrate\u002Fadapters\u002Fself-hosted\u002F03.memory","i-lucide-cpu",{"title":231,"path":232,"stem":233,"children":234,"page":34},"Frameworks","\u002Fintegrate\u002Fframeworks","4.integrate\u002Fframeworks",[235,239,244,249,254,259,264,269,274,279,284,289,294,299,303,308,313],{"title":41,"path":236,"stem":237,"icon":238},"\u002Fintegrate\u002Fframeworks\u002Foverview","4.integrate\u002Fframeworks\u002F00.overview","i-lucide-layout-grid",{"title":240,"path":241,"stem":242,"icon":243},"Nuxt","\u002Fintegrate\u002Fframeworks\u002Fnuxt","4.integrate\u002Fframeworks\u002F01.nuxt","i-simple-icons-nuxtdotjs",{"title":245,"path":246,"stem":247,"icon":248},"Next.js","\u002Fintegrate\u002Fframeworks\u002Fnextjs","4.integrate\u002Fframeworks\u002F02.nextjs","i-simple-icons-nextdotjs",{"title":250,"path":251,"stem":252,"icon":253},"SvelteKit","\u002Fintegrate\u002Fframeworks\u002Fsveltekit","4.integrate\u002Fframeworks\u002F03.sveltekit","i-simple-icons-svelte",{"title":255,"path":256,"stem":257,"icon":258},"Nitro","\u002Fintegrate\u002Fframeworks\u002Fnitro","4.integrate\u002Fframeworks\u002F04.nitro","i-custom-nitro",{"title":260,"path":261,"stem":262,"icon":263},"TanStack Start","\u002Fintegrate\u002Fframeworks\u002Ftanstack-start","4.integrate\u002Fframeworks\u002F05.tanstack-start","i-custom-tanstack",{"title":265,"path":266,"stem":267,"icon":268},"NestJS","\u002Fintegrate\u002Fframeworks\u002Fnestjs","4.integrate\u002Fframeworks\u002F06.nestjs","i-simple-icons-nestjs",{"title":270,"path":271,"stem":272,"icon":273},"Express","\u002Fintegrate\u002Fframeworks\u002Fexpress","4.integrate\u002Fframeworks\u002F07.express","i-simple-icons-express",{"title":275,"path":276,"stem":277,"icon":278},"Hono","\u002Fintegrate\u002Fframeworks\u002Fhono","4.integrate\u002Fframeworks\u002F08.hono","i-simple-icons-hono",{"title":280,"path":281,"stem":282,"icon":283},"Fastify","\u002Fintegrate\u002Fframeworks\u002Ffastify","4.integrate\u002Fframeworks\u002F09.fastify","i-simple-icons-fastify",{"title":285,"path":286,"stem":287,"icon":288},"Elysia","\u002Fintegrate\u002Fframeworks\u002Felysia","4.integrate\u002Fframeworks\u002F10.elysia","i-custom-elysia",{"title":290,"path":291,"stem":292,"icon":293},"React Router","\u002Fintegrate\u002Fframeworks\u002Freact-router","4.integrate\u002Fframeworks\u002F11.react-router","i-custom-reactrouter",{"title":295,"path":296,"stem":297,"icon":298},"Cloudflare Workers","\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers","4.integrate\u002Fframeworks\u002F12.cloudflare-workers","i-simple-icons-cloudflare",{"title":300,"path":301,"stem":302,"icon":79},"Standalone","\u002Fintegrate\u002Fframeworks\u002Fstandalone","4.integrate\u002Fframeworks\u002F13.standalone",{"title":304,"path":305,"stem":306,"icon":307},"Astro","\u002Fintegrate\u002Fframeworks\u002Fastro","4.integrate\u002Fframeworks\u002F14.astro","i-simple-icons-astro",{"title":309,"path":310,"stem":311,"icon":312},"oRPC","\u002Fintegrate\u002Fframeworks\u002Forpc","4.integrate\u002Fframeworks\u002F15.orpc","i-lucide-network",{"title":314,"path":315,"stem":316,"icon":317},"AWS Lambda","\u002Fintegrate\u002Fframeworks\u002Faws-lambda","4.integrate\u002Fframeworks\u002F16.aws-lambda","i-custom-lambda",{"title":319,"path":320,"stem":321,"children":322,"page":34},"Use Cases","\u002Fuse-cases","5.use-cases",[323,326,331,359,386,418,439,444,449,453],{"title":41,"path":324,"stem":325,"icon":107},"\u002Fuse-cases\u002Foverview","5.use-cases\u002F0.overview",{"title":327,"path":328,"stem":329,"icon":330},"Client Logging","\u002Fuse-cases\u002Fclient-logging","5.use-cases\u002F1.client-logging","i-lucide-monitor",{"title":332,"icon":333,"path":334,"stem":335,"children":336,"page":34},"AI SDK","i-simple-icons-vercel","\u002Fuse-cases\u002Fai-sdk","5.use-cases\u002F2.ai-sdk",[337,340,345,350,355],{"title":41,"path":338,"stem":339,"icon":44},"\u002Fuse-cases\u002Fai-sdk\u002Foverview","5.use-cases\u002F2.ai-sdk\u002F01.overview",{"title":341,"path":342,"stem":343,"icon":344},"Usage","\u002Fuse-cases\u002Fai-sdk\u002Fusage","5.use-cases\u002F2.ai-sdk\u002F02.usage","i-lucide-code",{"title":346,"path":347,"stem":348,"icon":349},"Options","\u002Fuse-cases\u002Fai-sdk\u002Foptions","5.use-cases\u002F2.ai-sdk\u002F03.options","i-lucide-sliders",{"title":351,"path":352,"stem":353,"icon":354},"Metadata","\u002Fuse-cases\u002Fai-sdk\u002Fmetadata","5.use-cases\u002F2.ai-sdk\u002F04.metadata","i-lucide-database",{"title":356,"path":357,"stem":358,"icon":137},"Telemetry","\u002Fuse-cases\u002Fai-sdk\u002Ftelemetry","5.use-cases\u002F2.ai-sdk\u002F05.telemetry",{"title":360,"icon":361,"path":362,"stem":363,"children":364,"page":34},"Better Auth","i-simple-icons-betterauth","\u002Fuse-cases\u002Fbetter-auth","5.use-cases\u002F3.better-auth",[365,368,373,378,382],{"title":41,"path":366,"stem":367,"icon":44},"\u002Fuse-cases\u002Fbetter-auth\u002Foverview","5.use-cases\u002F3.better-auth\u002F01.overview",{"title":369,"path":370,"stem":371,"icon":372},"Identify User","\u002Fuse-cases\u002Fbetter-auth\u002Fidentify-user","5.use-cases\u002F3.better-auth\u002F02.identify-user","i-lucide-user-check",{"title":374,"path":375,"stem":376,"icon":377},"Middleware","\u002Fuse-cases\u002Fbetter-auth\u002Fmiddleware","5.use-cases\u002F3.better-auth\u002F03.middleware","i-lucide-shield",{"title":379,"path":380,"stem":381,"icon":330},"Client Sync","\u002Fuse-cases\u002Fbetter-auth\u002Fclient-sync","5.use-cases\u002F3.better-auth\u002F04.client-sync",{"title":383,"path":384,"stem":385,"icon":112},"Performance","\u002Fuse-cases\u002Fbetter-auth\u002Fperformance","5.use-cases\u002F3.better-auth\u002F05.performance",{"title":387,"icon":388,"path":389,"stem":390,"children":391,"page":34},"Audit Logs","i-lucide-shield-check","\u002Fuse-cases\u002Faudit","5.use-cases\u002F4.audit",[392,395,400,405,410,414],{"title":41,"path":393,"stem":394,"icon":44},"\u002Fuse-cases\u002Faudit\u002Foverview","5.use-cases\u002F4.audit\u002F01.overview",{"title":396,"path":397,"stem":398,"icon":399},"Schema","\u002Fuse-cases\u002Faudit\u002Fschema","5.use-cases\u002F4.audit\u002F02.schema","i-lucide-file-text",{"title":401,"path":402,"stem":403,"icon":404},"Recording","\u002Fuse-cases\u002Faudit\u002Frecording","5.use-cases\u002F4.audit\u002F03.recording","i-lucide-pen-line",{"title":406,"path":407,"stem":408,"icon":409},"Drains","\u002Fuse-cases\u002Faudit\u002Fpipeline","5.use-cases\u002F4.audit\u002F04.pipeline","i-lucide-link",{"title":411,"path":412,"stem":413,"icon":388},"Compliance","\u002Fuse-cases\u002Faudit\u002Fcompliance","5.use-cases\u002F4.audit\u002F05.compliance",{"title":415,"path":416,"stem":417,"icon":84},"Recipes","\u002Fuse-cases\u002Faudit\u002Frecipes","5.use-cases\u002F4.audit\u002F06.recipes",{"title":356,"icon":112,"path":419,"stem":420,"children":421,"page":34},"\u002Fuse-cases\u002Ftelemetry","5.use-cases\u002F4.telemetry",[422,425,430,435],{"title":41,"path":423,"stem":424,"icon":44},"\u002Fuse-cases\u002Ftelemetry\u002Foverview","5.use-cases\u002F4.telemetry\u002F01.overview",{"title":426,"path":427,"stem":428,"icon":429},"Setup","\u002Fuse-cases\u002Ftelemetry\u002Fsetup","5.use-cases\u002F4.telemetry\u002F02.setup","i-lucide-wrench",{"title":431,"path":432,"stem":433,"icon":434},"Ingest","\u002Fuse-cases\u002Ftelemetry\u002Fingest","5.use-cases\u002F4.telemetry\u002F03.ingest","i-lucide-server",{"title":436,"path":437,"stem":438,"icon":84},"Reference","\u002Fuse-cases\u002Ftelemetry\u002Freference","5.use-cases\u002F4.telemetry\u002F04.reference",{"title":440,"path":441,"stem":442,"icon":443},"Enrichers","\u002Fuse-cases\u002Fenrichers","5.use-cases\u002F5.enrichers","i-lucide-sparkles",{"title":445,"path":446,"stem":447,"icon":448},"eve","\u002Fuse-cases\u002Feve","5.use-cases\u002F5.eve","i-custom-eve",{"title":450,"path":451,"stem":452,"icon":434},"Node.js request logging","\u002Fuse-cases\u002Fstructured-logging-nodejs","5.use-cases\u002F6.structured-logging-nodejs",{"title":454,"path":455,"stem":456,"icon":457},"Libraries","\u002Fuse-cases\u002Flibraries","5.use-cases\u002F7.libraries","i-lucide-package",{"title":459,"path":460,"stem":461,"children":462,"page":34},"Extend","\u002Fextend","6.extend",[463,467,472,477,481,486,490,494,498,502,507,512],{"title":41,"path":464,"stem":465,"icon":466},"\u002Fextend\u002Foverview","6.extend\u002F0.overview","i-lucide-blocks",{"title":468,"path":469,"stem":470,"icon":471},"Stream","\u002Fextend\u002Fstream","6.extend\u002F1.stream","i-lucide-radio-tower",{"title":473,"path":474,"stem":475,"icon":476},"Custom framework","\u002Fextend\u002Fcustom-framework","6.extend\u002F10.custom-framework","i-lucide-puzzle",{"title":478,"path":479,"stem":480,"icon":471},"Diagnostics channel","\u002Fextend\u002Fdiagnostics-channel","6.extend\u002F11.diagnostics-channel",{"title":482,"path":483,"stem":484,"icon":485},"FS reader","\u002Fextend\u002Ffs-reader","6.extend\u002F2.fs-reader","i-lucide-folder-search",{"title":415,"path":487,"stem":488,"icon":489},"\u002Fextend\u002Fconsumer-recipes","6.extend\u002F3.consumer-recipes","i-lucide-chef-hat",{"title":491,"path":492,"stem":493,"icon":466},"Plugins","\u002Fextend\u002Fplugins","6.extend\u002F4.plugins",{"title":495,"path":496,"stem":497,"icon":443},"Custom enrichers","\u002Fextend\u002Fcustom-enrichers","6.extend\u002F5.custom-enrichers",{"title":499,"path":500,"stem":501,"icon":69},"Tail sampling","\u002Fextend\u002Ftail-sampling","6.extend\u002F6.tail-sampling",{"title":503,"path":504,"stem":505,"icon":506},"Identity headers","\u002Fextend\u002Fidentity-headers","6.extend\u002F7.identity-headers","i-lucide-fingerprint",{"title":508,"path":509,"stem":510,"icon":511},"Custom drains","\u002Fextend\u002Fcustom-drains","6.extend\u002F8.custom-drains","i-lucide-share-2",{"title":513,"path":514,"stem":515,"icon":516},"Drain pipeline","\u002Fextend\u002Fdrain-pipeline","6.extend\u002F9.drain-pipeline","i-lucide-workflow",{"title":436,"path":518,"stem":519,"children":520,"page":34},"\u002Freference","7.reference",[521,525,530,533,538,542,547,551],{"title":41,"path":522,"stem":523,"icon":524},"\u002Freference\u002Foverview","7.reference\u002F0.overview","i-lucide-book-marked",{"title":526,"path":527,"stem":528,"icon":529},"Configuration","\u002Freference\u002Fconfiguration","7.reference\u002F1.configuration","i-lucide-settings",{"title":383,"path":531,"stem":532,"icon":112},"\u002Freference\u002Fperformance","7.reference\u002F2.performance",{"title":534,"path":535,"stem":536,"icon":537},"Vite Plugin","\u002Freference\u002Fvite-plugin","7.reference\u002F3.vite-plugin","i-custom-vite",{"title":539,"path":540,"stem":541,"icon":388},"Best Practices","\u002Freference\u002Fbest-practices","7.reference\u002F4.best-practices",{"title":543,"path":544,"stem":545,"icon":546},"vs Other Loggers","\u002Freference\u002Fvs-other-loggers","7.reference\u002F5.vs-other-loggers","i-lucide-scale",{"title":548,"path":549,"stem":550,"icon":443},"Agent Skills","\u002Freference\u002Fagent-skills","7.reference\u002F6.agent-skills",{"title":552,"path":553,"stem":554,"icon":555},"Cost","\u002Freference\u002Fcost","7.reference\u002F7.cost","i-lucide-receipt",{"title":557,"path":558,"stem":559,"children":560,"page":34},"Compare","\u002Fcompare","8.compare",[561,565,569,573,577],{"title":562,"path":563,"stem":564,"icon":546},"evlog vs Pino","\u002Fcompare\u002Fpino","8.compare\u002F1.pino",{"title":566,"path":567,"stem":568,"icon":204},"evlog vs OpenTelemetry","\u002Fcompare\u002Fopentelemetry","8.compare\u002F2.opentelemetry",{"title":570,"path":571,"stem":572,"icon":546},"evlog vs LogTape","\u002Fcompare\u002Flogtape","8.compare\u002F3.logtape",{"title":574,"path":575,"stem":576,"icon":546},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","8.compare\u002F4.winston",{"title":578,"path":579,"stem":580,"icon":546},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":582,"title":583,"body":584,"description":2208,"extension":2209,"links":2210,"meta":2219,"navigation":2220,"path":217,"seo":2221,"stem":218,"__hash__":2222},"docs\u002F4.integrate\u002Fadapters\u002Fself-hosted\u002F01.fs.md","File System Adapter",{"type":585,"value":586,"toc":2188},"minimark",[587,591,623,669,673,676,719,722,725,1320,1326,1330,1339,1346,1363,1366,1370,1473,1477,1636,1640,1650,1657,1661,1670,1674,1677,1836,1840,1844,1863,1867,1950,1954,2007,2011,2014,2141,2145,2155,2159,2184],[588,589,590],"p",{},"The File System adapter writes your wide events to local NDJSON files (one JSON object per line, one file per day). This enables:",[592,593,594,607,617],"ul",{},[595,596,597,601,602,606],"li",{},[598,599,600],"strong",{},"AI agent integration"," - point a skill to ",[603,604,605],"code",{},".evlog\u002Flogs\u002F"," to parse structured logs for debugging and pattern analysis",[595,608,609,612,613,616],{},[598,610,611],{},"Local dev debugging"," - persistent log history without scrolling the terminal (",[603,614,615],{},"tail -f .evlog\u002Flogs\u002F2026-03-14.jsonl",")",[595,618,619,622],{},[598,620,621],{},"Production backup"," - combine with a network drain (Axiom, OTLP) for local fallback",[624,625,628,631,655],"prompt",{":actions":626,"description":627,"icon":219},"[\"copy\",\"cursor\",\"claude\"]","Add the file system drain adapter",[588,629,630],{},"Add the file system drain adapter to write evlog wide events locally as NDJSON files.",[632,633,634,637,640,643,646,649,652],"ol",{},[595,635,636],{},"Identify which framework I'm using and follow its evlog integration pattern",[595,638,639],{},"Install evlog if not already installed",[595,641,642],{},"Import createFsDrain from 'evlog\u002Ffs'",[595,644,645],{},"Wire createFsDrain() into my framework's drain configuration",[595,647,648],{},"Logs are written to .evlog\u002Flogs\u002F by default (one file per day, auto .gitignore)",[595,650,651],{},"Optionally configure dir, maxFiles, maxSizePerFile, or pretty options",[595,653,654],{},"Test by triggering a request and checking .evlog\u002Flogs\u002F*.jsonl",[588,656,657,658,664,665],{},"Adapter docs: ",[659,660,661],"a",{"href":661,"rel":662},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Ffs",[663],"nofollow","\nFramework setup: ",[659,666,667],{"href":667,"rel":668},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Foverview",[663],[670,671,20],"h2",{"id":672},"installation",[588,674,675],{},"The File System adapter comes bundled with evlog:",[677,678,684],"pre",{"className":679,"code":680,"filename":681,"language":682,"meta":683,"style":683},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { createFsDrain } from 'evlog\u002Ffs'\n","src\u002Findex.ts","typescript","",[603,685,686],{"__ignoreMap":683},[687,688,691,695,699,703,706,709,712,716],"span",{"class":689,"line":690},"line",1,[687,692,694],{"class":693},"s7zQu","import",[687,696,698],{"class":697},"sMK4o"," {",[687,700,702],{"class":701},"sTEyZ"," createFsDrain",[687,704,705],{"class":697}," }",[687,707,708],{"class":693}," from",[687,710,711],{"class":697}," '",[687,713,715],{"class":714},"sfazB","evlog\u002Ffs",[687,717,718],{"class":697},"'\n",[670,720,25],{"id":721},"quick-start",[588,723,724],{},"No credentials or environment variables needed. Just wire the drain to your framework:",[726,727,728,842,973,990,1052,1106,1165,1219,1272],"code-group",{},[677,729,732],{"className":679,"code":730,"filename":731,"language":682,"meta":683,"style":683},"\u002F\u002F server\u002Fplugins\u002Fevlog-drain.ts\nimport { createFsDrain } from 'evlog\u002Ffs'\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', createFsDrain())\n})\n","Nuxt \u002F Nitro",[603,733,734,740,759,766,797,833],{"__ignoreMap":683},[687,735,736],{"class":689,"line":690},[687,737,739],{"class":738},"sHwdD","\u002F\u002F server\u002Fplugins\u002Fevlog-drain.ts\n",[687,741,743,745,747,749,751,753,755,757],{"class":689,"line":742},2,[687,744,694],{"class":693},[687,746,698],{"class":697},[687,748,702],{"class":701},[687,750,705],{"class":697},[687,752,708],{"class":693},[687,754,711],{"class":697},[687,756,715],{"class":714},[687,758,718],{"class":697},[687,760,762],{"class":689,"line":761},3,[687,763,765],{"emptyLinePlaceholder":764},true,"\n",[687,767,769,772,775,779,782,784,788,790,794],{"class":689,"line":768},4,[687,770,771],{"class":693},"export",[687,773,774],{"class":693}," default",[687,776,778],{"class":777},"s2Zo4"," defineNitroPlugin",[687,780,781],{"class":701},"(",[687,783,781],{"class":697},[687,785,787],{"class":786},"sHdIc","nitroApp",[687,789,616],{"class":697},[687,791,793],{"class":792},"spNyl"," =>",[687,795,796],{"class":697}," {\n",[687,798,800,803,806,809,811,814,817,820,823,825,828,830],{"class":689,"line":799},5,[687,801,802],{"class":701},"  nitroApp",[687,804,805],{"class":697},".",[687,807,808],{"class":701},"hooks",[687,810,805],{"class":697},[687,812,813],{"class":777},"hook",[687,815,781],{"class":816},"swJcz",[687,818,819],{"class":697},"'",[687,821,822],{"class":714},"evlog:drain",[687,824,819],{"class":697},[687,826,827],{"class":697},",",[687,829,702],{"class":777},[687,831,832],{"class":816},"())\n",[687,834,836,839],{"class":689,"line":835},6,[687,837,838],{"class":697},"}",[687,840,841],{"class":701},")\n",[677,843,845],{"className":679,"code":844,"filename":245,"language":682,"meta":683,"style":683},"\u002F\u002F lib\u002Fevlog.ts — Node.js routes only; keep evlog\u002Ffs out of root instrumentation.ts\nimport { createEvlog } from 'evlog\u002Fnext'\nimport { createFsDrain } from 'evlog\u002Ffs'\n\nexport const { withEvlog, useLogger, log, createError } = createEvlog({\n  service: 'my-app',\n  drain: createFsDrain(),\n})\n",[603,846,847,852,872,890,894,933,951,966],{"__ignoreMap":683},[687,848,849],{"class":689,"line":690},[687,850,851],{"class":738},"\u002F\u002F lib\u002Fevlog.ts — Node.js routes only; keep evlog\u002Ffs out of root instrumentation.ts\n",[687,853,854,856,858,861,863,865,867,870],{"class":689,"line":742},[687,855,694],{"class":693},[687,857,698],{"class":697},[687,859,860],{"class":701}," createEvlog",[687,862,705],{"class":697},[687,864,708],{"class":693},[687,866,711],{"class":697},[687,868,869],{"class":714},"evlog\u002Fnext",[687,871,718],{"class":697},[687,873,874,876,878,880,882,884,886,888],{"class":689,"line":761},[687,875,694],{"class":693},[687,877,698],{"class":697},[687,879,702],{"class":701},[687,881,705],{"class":697},[687,883,708],{"class":693},[687,885,711],{"class":697},[687,887,715],{"class":714},[687,889,718],{"class":697},[687,891,892],{"class":689,"line":768},[687,893,765],{"emptyLinePlaceholder":764},[687,895,896,898,901,903,906,908,911,913,916,918,921,923,926,928,930],{"class":689,"line":799},[687,897,771],{"class":693},[687,899,900],{"class":792}," const",[687,902,698],{"class":697},[687,904,905],{"class":701}," withEvlog",[687,907,827],{"class":697},[687,909,910],{"class":701}," useLogger",[687,912,827],{"class":697},[687,914,915],{"class":701}," log",[687,917,827],{"class":697},[687,919,920],{"class":701}," createError ",[687,922,838],{"class":697},[687,924,925],{"class":697}," =",[687,927,860],{"class":777},[687,929,781],{"class":701},[687,931,932],{"class":697},"{\n",[687,934,935,938,941,943,946,948],{"class":689,"line":835},[687,936,937],{"class":816},"  service",[687,939,940],{"class":697},":",[687,942,711],{"class":697},[687,944,945],{"class":714},"my-app",[687,947,819],{"class":697},[687,949,950],{"class":697},",\n",[687,952,954,957,959,961,964],{"class":689,"line":953},7,[687,955,956],{"class":816},"  drain",[687,958,940],{"class":697},[687,960,702],{"class":777},[687,962,963],{"class":701},"()",[687,965,950],{"class":697},[687,967,969,971],{"class":689,"line":968},8,[687,970,838],{"class":697},[687,972,841],{"class":701},[974,975,977,978,981,982,985,986,989],"callout",{"color":976,"icon":13},"info","The FS adapter requires Node.js (",[603,979,980],{},"node:fs","). On the Edge runtime, or when its directory is not writable, it logs a one-time ",[603,983,984],{},"[evlog\u002Ffs]"," warning and skips writes, so attaching it on a serverless host is safe but pointless, since only the temp directory is writable there and it does not outlive the instance. Use ",[603,987,988],{},"evlog\u002Fmemory"," or an HTTP adapter for those.",[677,991,993],{"className":679,"code":992,"filename":275,"language":682,"meta":683,"style":683},"import { createFsDrain } from 'evlog\u002Ffs'\n\napp.use(evlog({ drain: createFsDrain() }))\n",[603,994,995,1013,1017],{"__ignoreMap":683},[687,996,997,999,1001,1003,1005,1007,1009,1011],{"class":689,"line":690},[687,998,694],{"class":693},[687,1000,698],{"class":697},[687,1002,702],{"class":701},[687,1004,705],{"class":697},[687,1006,708],{"class":693},[687,1008,711],{"class":697},[687,1010,715],{"class":714},[687,1012,718],{"class":697},[687,1014,1015],{"class":689,"line":742},[687,1016,765],{"emptyLinePlaceholder":764},[687,1018,1019,1022,1024,1027,1029,1032,1034,1037,1040,1042,1044,1047,1049],{"class":689,"line":761},[687,1020,1021],{"class":701},"app",[687,1023,805],{"class":697},[687,1025,1026],{"class":777},"use",[687,1028,781],{"class":701},[687,1030,1031],{"class":777},"evlog",[687,1033,781],{"class":701},[687,1035,1036],{"class":697},"{",[687,1038,1039],{"class":816}," drain",[687,1041,940],{"class":697},[687,1043,702],{"class":777},[687,1045,1046],{"class":701},"() ",[687,1048,838],{"class":697},[687,1050,1051],{"class":701},"))\n",[677,1053,1054],{"className":679,"code":992,"filename":270,"language":682,"meta":683,"style":683},[603,1055,1056,1074,1078],{"__ignoreMap":683},[687,1057,1058,1060,1062,1064,1066,1068,1070,1072],{"class":689,"line":690},[687,1059,694],{"class":693},[687,1061,698],{"class":697},[687,1063,702],{"class":701},[687,1065,705],{"class":697},[687,1067,708],{"class":693},[687,1069,711],{"class":697},[687,1071,715],{"class":714},[687,1073,718],{"class":697},[687,1075,1076],{"class":689,"line":742},[687,1077,765],{"emptyLinePlaceholder":764},[687,1079,1080,1082,1084,1086,1088,1090,1092,1094,1096,1098,1100,1102,1104],{"class":689,"line":761},[687,1081,1021],{"class":701},[687,1083,805],{"class":697},[687,1085,1026],{"class":777},[687,1087,781],{"class":701},[687,1089,1031],{"class":777},[687,1091,781],{"class":701},[687,1093,1036],{"class":697},[687,1095,1039],{"class":816},[687,1097,940],{"class":697},[687,1099,702],{"class":777},[687,1101,1046],{"class":701},[687,1103,838],{"class":697},[687,1105,1051],{"class":701},[677,1107,1109],{"className":679,"code":1108,"filename":280,"language":682,"meta":683,"style":683},"import { createFsDrain } from 'evlog\u002Ffs'\n\nawait app.register(evlog, { drain: createFsDrain() })\n",[603,1110,1111,1129,1133],{"__ignoreMap":683},[687,1112,1113,1115,1117,1119,1121,1123,1125,1127],{"class":689,"line":690},[687,1114,694],{"class":693},[687,1116,698],{"class":697},[687,1118,702],{"class":701},[687,1120,705],{"class":697},[687,1122,708],{"class":693},[687,1124,711],{"class":697},[687,1126,715],{"class":714},[687,1128,718],{"class":697},[687,1130,1131],{"class":689,"line":742},[687,1132,765],{"emptyLinePlaceholder":764},[687,1134,1135,1138,1141,1143,1146,1149,1151,1153,1155,1157,1159,1161,1163],{"class":689,"line":761},[687,1136,1137],{"class":693},"await",[687,1139,1140],{"class":701}," app",[687,1142,805],{"class":697},[687,1144,1145],{"class":777},"register",[687,1147,1148],{"class":701},"(evlog",[687,1150,827],{"class":697},[687,1152,698],{"class":697},[687,1154,1039],{"class":816},[687,1156,940],{"class":697},[687,1158,702],{"class":777},[687,1160,1046],{"class":701},[687,1162,838],{"class":697},[687,1164,841],{"class":701},[677,1166,1167],{"className":679,"code":992,"filename":285,"language":682,"meta":683,"style":683},[603,1168,1169,1187,1191],{"__ignoreMap":683},[687,1170,1171,1173,1175,1177,1179,1181,1183,1185],{"class":689,"line":690},[687,1172,694],{"class":693},[687,1174,698],{"class":697},[687,1176,702],{"class":701},[687,1178,705],{"class":697},[687,1180,708],{"class":693},[687,1182,711],{"class":697},[687,1184,715],{"class":714},[687,1186,718],{"class":697},[687,1188,1189],{"class":689,"line":742},[687,1190,765],{"emptyLinePlaceholder":764},[687,1192,1193,1195,1197,1199,1201,1203,1205,1207,1209,1211,1213,1215,1217],{"class":689,"line":761},[687,1194,1021],{"class":701},[687,1196,805],{"class":697},[687,1198,1026],{"class":777},[687,1200,781],{"class":701},[687,1202,1031],{"class":777},[687,1204,781],{"class":701},[687,1206,1036],{"class":697},[687,1208,1039],{"class":816},[687,1210,940],{"class":697},[687,1212,702],{"class":777},[687,1214,1046],{"class":701},[687,1216,838],{"class":697},[687,1218,1051],{"class":701},[677,1220,1222],{"className":679,"code":1221,"filename":265,"language":682,"meta":683,"style":683},"import { createFsDrain } from 'evlog\u002Ffs'\n\nEvlogModule.forRoot({ drain: createFsDrain() })\n",[603,1223,1224,1242,1246],{"__ignoreMap":683},[687,1225,1226,1228,1230,1232,1234,1236,1238,1240],{"class":689,"line":690},[687,1227,694],{"class":693},[687,1229,698],{"class":697},[687,1231,702],{"class":701},[687,1233,705],{"class":697},[687,1235,708],{"class":693},[687,1237,711],{"class":697},[687,1239,715],{"class":714},[687,1241,718],{"class":697},[687,1243,1244],{"class":689,"line":742},[687,1245,765],{"emptyLinePlaceholder":764},[687,1247,1248,1251,1253,1256,1258,1260,1262,1264,1266,1268,1270],{"class":689,"line":761},[687,1249,1250],{"class":701},"EvlogModule",[687,1252,805],{"class":697},[687,1254,1255],{"class":777},"forRoot",[687,1257,781],{"class":701},[687,1259,1036],{"class":697},[687,1261,1039],{"class":816},[687,1263,940],{"class":697},[687,1265,702],{"class":777},[687,1267,1046],{"class":701},[687,1269,838],{"class":697},[687,1271,841],{"class":701},[677,1273,1275],{"className":679,"code":1274,"filename":300,"language":682,"meta":683,"style":683},"import { createFsDrain } from 'evlog\u002Ffs'\n\ninitLogger({ drain: createFsDrain() })\n",[603,1276,1277,1295,1299],{"__ignoreMap":683},[687,1278,1279,1281,1283,1285,1287,1289,1291,1293],{"class":689,"line":690},[687,1280,694],{"class":693},[687,1282,698],{"class":697},[687,1284,702],{"class":701},[687,1286,705],{"class":697},[687,1288,708],{"class":693},[687,1290,711],{"class":697},[687,1292,715],{"class":714},[687,1294,718],{"class":697},[687,1296,1297],{"class":689,"line":742},[687,1298,765],{"emptyLinePlaceholder":764},[687,1300,1301,1304,1306,1308,1310,1312,1314,1316,1318],{"class":689,"line":761},[687,1302,1303],{"class":777},"initLogger",[687,1305,781],{"class":701},[687,1307,1036],{"class":697},[687,1309,1039],{"class":816},[687,1311,940],{"class":697},[687,1313,702],{"class":777},[687,1315,1046],{"class":701},[687,1317,838],{"class":697},[687,1319,841],{"class":701},[588,1321,1322,1323,1325],{},"Logs start appearing in ",[603,1324,605],{}," immediately.",[670,1327,1329],{"id":1328},"where-the-files-land","Where the files land",[677,1331,1337],{"className":1332,"code":1334,"filename":1335,"language":1336,"meta":683},[1333],"language-text",".evlog\u002F\n  logs\u002F\n    2026-03-14.jsonl    ← one file per day\n    2026-03-13.jsonl\n    2026-03-12.jsonl\n",".evlog\u002Flogs directory layout","text",[603,1338,1334],{"__ignoreMap":683},[588,1340,1341,1342,1345],{},"Each ",[603,1343,1344],{},".jsonl"," file contains one JSON object per line (NDJSON format), making it easy to parse, grep, and stream.",[974,1347,1350,1351,1354,1355,1358,1359,1362],{"color":1348,"icon":1349},"success","i-lucide-git-branch","A ",[603,1352,1353],{},".gitignore"," is automatically created on first write, inside the ",[603,1356,1357],{},".evlog\u002F"," ancestor directory when present or in the configured ",[603,1360,1361],{},"dir"," otherwise. Log files are never committed to version control.",[670,1364,526],{"id":1365},"configuration",[1367,1368,346],"h3",{"id":1369},"options",[1371,1372,1373,1392],"table",{},[1374,1375,1376],"thead",{},[1377,1378,1379,1383,1386,1389],"tr",{},[1380,1381,1382],"th",{},"Option",[1380,1384,1385],{},"Type",[1380,1387,1388],{},"Default",[1380,1390,1391],{},"Description",[1393,1394,1395,1415,1435,1453],"tbody",{},[1377,1396,1397,1402,1407,1412],{},[1398,1399,1400],"td",{},[603,1401,1361],{},[1398,1403,1404],{},[603,1405,1406],{},"string",[1398,1408,1409],{},[603,1410,1411],{},"'.evlog\u002Flogs'",[1398,1413,1414],{},"Directory for log files",[1377,1416,1417,1422,1427,1432],{},[1398,1418,1419],{},[603,1420,1421],{},"maxFiles",[1398,1423,1424],{},[603,1425,1426],{},"number",[1398,1428,1429],{},[603,1430,1431],{},"undefined",[1398,1433,1434],{},"Max files to keep (auto-deletes oldest)",[1377,1436,1437,1442,1446,1450],{},[1398,1438,1439],{},[603,1440,1441],{},"maxSizePerFile",[1398,1443,1444],{},[603,1445,1426],{},[1398,1447,1448],{},[603,1449,1431],{},[1398,1451,1452],{},"Max bytes per file before rotating",[1377,1454,1455,1460,1465,1470],{},[1398,1456,1457],{},[603,1458,1459],{},"pretty",[1398,1461,1462],{},[603,1463,1464],{},"boolean",[1398,1466,1467],{},[603,1468,1469],{},"false",[1398,1471,1472],{},"Pretty-print JSON (multi-line, readable)",[1367,1474,1476],{"id":1475},"examples","Examples",[677,1478,1481],{"className":679,"code":1479,"filename":1480,"language":682,"meta":683,"style":683},"\u002F\u002F Keep only the last 7 days of logs\ncreateFsDrain({ maxFiles: 7 })\n\n\u002F\u002F Rotate files at 10MB, keep 30 files\ncreateFsDrain({\n  maxSizePerFile: 10 * 1024 * 1024,\n  maxFiles: 30,\n})\n\n\u002F\u002F Pretty-print for human reading\ncreateFsDrain({ pretty: true })\n\n\u002F\u002F Custom directory\ncreateFsDrain({ dir: '\u002Fvar\u002Flog\u002Fmyapp' })\n","server\u002Fplugins\u002Fevlog-drain.ts",[603,1482,1483,1488,1510,1514,1519,1527,1549,1561,1567,1572,1578,1600,1605,1611],{"__ignoreMap":683},[687,1484,1485],{"class":689,"line":690},[687,1486,1487],{"class":738},"\u002F\u002F Keep only the last 7 days of logs\n",[687,1489,1490,1493,1495,1497,1500,1502,1506,1508],{"class":689,"line":742},[687,1491,1492],{"class":777},"createFsDrain",[687,1494,781],{"class":701},[687,1496,1036],{"class":697},[687,1498,1499],{"class":816}," maxFiles",[687,1501,940],{"class":697},[687,1503,1505],{"class":1504},"sbssI"," 7",[687,1507,705],{"class":697},[687,1509,841],{"class":701},[687,1511,1512],{"class":689,"line":761},[687,1513,765],{"emptyLinePlaceholder":764},[687,1515,1516],{"class":689,"line":768},[687,1517,1518],{"class":738},"\u002F\u002F Rotate files at 10MB, keep 30 files\n",[687,1520,1521,1523,1525],{"class":689,"line":799},[687,1522,1492],{"class":777},[687,1524,781],{"class":701},[687,1526,932],{"class":697},[687,1528,1529,1532,1534,1537,1540,1543,1545,1547],{"class":689,"line":835},[687,1530,1531],{"class":816},"  maxSizePerFile",[687,1533,940],{"class":697},[687,1535,1536],{"class":1504}," 10",[687,1538,1539],{"class":697}," *",[687,1541,1542],{"class":1504}," 1024",[687,1544,1539],{"class":697},[687,1546,1542],{"class":1504},[687,1548,950],{"class":697},[687,1550,1551,1554,1556,1559],{"class":689,"line":953},[687,1552,1553],{"class":816},"  maxFiles",[687,1555,940],{"class":697},[687,1557,1558],{"class":1504}," 30",[687,1560,950],{"class":697},[687,1562,1563,1565],{"class":689,"line":968},[687,1564,838],{"class":697},[687,1566,841],{"class":701},[687,1568,1570],{"class":689,"line":1569},9,[687,1571,765],{"emptyLinePlaceholder":764},[687,1573,1575],{"class":689,"line":1574},10,[687,1576,1577],{"class":738},"\u002F\u002F Pretty-print for human reading\n",[687,1579,1581,1583,1585,1587,1590,1592,1596,1598],{"class":689,"line":1580},11,[687,1582,1492],{"class":777},[687,1584,781],{"class":701},[687,1586,1036],{"class":697},[687,1588,1589],{"class":816}," pretty",[687,1591,940],{"class":697},[687,1593,1595],{"class":1594},"sfNiH"," true",[687,1597,705],{"class":697},[687,1599,841],{"class":701},[687,1601,1603],{"class":689,"line":1602},12,[687,1604,765],{"emptyLinePlaceholder":764},[687,1606,1608],{"class":689,"line":1607},13,[687,1609,1610],{"class":738},"\u002F\u002F Custom directory\n",[687,1612,1614,1616,1618,1620,1623,1625,1627,1630,1632,1634],{"class":689,"line":1613},14,[687,1615,1492],{"class":777},[687,1617,781],{"class":701},[687,1619,1036],{"class":697},[687,1621,1622],{"class":816}," dir",[687,1624,940],{"class":697},[687,1626,711],{"class":697},[687,1628,1629],{"class":714},"\u002Fvar\u002Flog\u002Fmyapp",[687,1631,819],{"class":697},[687,1633,705],{"class":697},[687,1635,841],{"class":701},[1367,1637,1639],{"id":1638},"rotate-by-size-or-by-day","Rotate by size or by day",[588,1641,1642,1643,1646,1647,1649],{},"By default, a new file is created each day (",[603,1644,1645],{},"2026-03-14.jsonl","). When ",[603,1648,1441],{}," is set, the adapter creates suffixed files when the current file exceeds the limit:",[677,1651,1655],{"className":1652,"code":1653,"filename":1654,"language":1336,"meta":683},[1333],".evlog\u002Flogs\u002F\n  2026-03-14.jsonl      ← base file (full)\n  2026-03-14.1.jsonl    ← first rotation\n  2026-03-14.2.jsonl    ← second rotation\n","Rotated log files",[603,1656,1653],{"__ignoreMap":683},[1367,1658,1660],{"id":1659},"delete-old-files-on-a-schedule","Delete old files on a schedule",[588,1662,1663,1664,1666,1667,1669],{},"When ",[603,1665,1421],{}," is set, the adapter automatically deletes the oldest ",[603,1668,1344],{}," files after each write, keeping only the most recent files.",[670,1671,1673],{"id":1672},"write-to-disk-and-ship-to-a-service","Write to disk and ship to a service",[588,1675,1676],{},"Use the FS adapter alongside a network drain for local backup:",[677,1678,1680],{"className":679,"code":1679,"filename":1480,"language":682,"meta":683,"style":683},"import { createFsDrain } from 'evlog\u002Ffs'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\nconst fs = createFsDrain({ maxFiles: 7 })\nconst axiom = createAxiomDrain()\n\nconst drain = async (ctx) => {\n  await Promise.allSettled([fs(ctx), axiom(ctx)])\n}\n",[603,1681,1682,1700,1720,1724,1751,1765,1769,1793,1831],{"__ignoreMap":683},[687,1683,1684,1686,1688,1690,1692,1694,1696,1698],{"class":689,"line":690},[687,1685,694],{"class":693},[687,1687,698],{"class":697},[687,1689,702],{"class":701},[687,1691,705],{"class":697},[687,1693,708],{"class":693},[687,1695,711],{"class":697},[687,1697,715],{"class":714},[687,1699,718],{"class":697},[687,1701,1702,1704,1706,1709,1711,1713,1715,1718],{"class":689,"line":742},[687,1703,694],{"class":693},[687,1705,698],{"class":697},[687,1707,1708],{"class":701}," createAxiomDrain",[687,1710,705],{"class":697},[687,1712,708],{"class":693},[687,1714,711],{"class":697},[687,1716,1717],{"class":714},"evlog\u002Faxiom",[687,1719,718],{"class":697},[687,1721,1722],{"class":689,"line":761},[687,1723,765],{"emptyLinePlaceholder":764},[687,1725,1726,1729,1732,1735,1737,1739,1741,1743,1745,1747,1749],{"class":689,"line":768},[687,1727,1728],{"class":792},"const",[687,1730,1731],{"class":701}," fs ",[687,1733,1734],{"class":697},"=",[687,1736,702],{"class":777},[687,1738,781],{"class":701},[687,1740,1036],{"class":697},[687,1742,1499],{"class":816},[687,1744,940],{"class":697},[687,1746,1505],{"class":1504},[687,1748,705],{"class":697},[687,1750,841],{"class":701},[687,1752,1753,1755,1758,1760,1762],{"class":689,"line":799},[687,1754,1728],{"class":792},[687,1756,1757],{"class":701}," axiom ",[687,1759,1734],{"class":697},[687,1761,1708],{"class":777},[687,1763,1764],{"class":701},"()\n",[687,1766,1767],{"class":689,"line":835},[687,1768,765],{"emptyLinePlaceholder":764},[687,1770,1771,1773,1776,1778,1781,1784,1787,1789,1791],{"class":689,"line":953},[687,1772,1728],{"class":792},[687,1774,1775],{"class":701}," drain ",[687,1777,1734],{"class":697},[687,1779,1780],{"class":792}," async",[687,1782,1783],{"class":697}," (",[687,1785,1786],{"class":786},"ctx",[687,1788,616],{"class":697},[687,1790,793],{"class":792},[687,1792,796],{"class":697},[687,1794,1795,1798,1802,1804,1807,1810,1813,1815,1817,1819,1821,1824,1826,1828],{"class":689,"line":968},[687,1796,1797],{"class":693},"  await",[687,1799,1801],{"class":1800},"sBMFI"," Promise",[687,1803,805],{"class":697},[687,1805,1806],{"class":777},"allSettled",[687,1808,1809],{"class":816},"([",[687,1811,1812],{"class":777},"fs",[687,1814,781],{"class":816},[687,1816,1786],{"class":701},[687,1818,616],{"class":816},[687,1820,827],{"class":697},[687,1822,1823],{"class":777}," axiom",[687,1825,781],{"class":816},[687,1827,1786],{"class":701},[687,1829,1830],{"class":816},")])\n",[687,1832,1833],{"class":689,"line":1569},[687,1834,1835],{"class":697},"}\n",[670,1837,1839],{"id":1838},"read-back-what-you-wrote","Read back what you wrote",[1367,1841,1843],{"id":1842},"stream-in-real-time","Stream in real-time",[677,1845,1850],{"className":1846,"code":1847,"filename":1848,"language":1849,"meta":683,"style":683},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","tail -f .evlog\u002Flogs\u002F2026-03-14.jsonl\n","Terminal","bash",[603,1851,1852],{"__ignoreMap":683},[687,1853,1854,1857,1860],{"class":689,"line":690},[687,1855,1856],{"class":1800},"tail",[687,1858,1859],{"class":714}," -f",[687,1861,1862],{"class":714}," .evlog\u002Flogs\u002F2026-03-14.jsonl\n",[1367,1864,1866],{"id":1865},"search-with-jq","Search with jq",[677,1868,1870],{"className":1846,"code":1869,"filename":1848,"language":1849,"meta":683,"style":683},"# Find errors\ncat .evlog\u002Flogs\u002F2026-03-14.jsonl | jq 'select(.level == \"error\")'\n\n# Slow requests (over 1s)\ncat .evlog\u002Flogs\u002F2026-03-14.jsonl | jq 'select(.durationMs > 1000)'\n\n# Requests by path\ncat .evlog\u002Flogs\u002F2026-03-14.jsonl | jq 'select(.path == \"\u002Fapi\u002Fcheckout\")'\n",[603,1871,1872,1877,1898,1902,1907,1924,1928,1933],{"__ignoreMap":683},[687,1873,1874],{"class":689,"line":690},[687,1875,1876],{"class":738},"# Find errors\n",[687,1878,1879,1882,1885,1888,1891,1893,1896],{"class":689,"line":742},[687,1880,1881],{"class":1800},"cat",[687,1883,1884],{"class":714}," .evlog\u002Flogs\u002F2026-03-14.jsonl",[687,1886,1887],{"class":697}," |",[687,1889,1890],{"class":1800}," jq",[687,1892,711],{"class":697},[687,1894,1895],{"class":714},"select(.level == \"error\")",[687,1897,718],{"class":697},[687,1899,1900],{"class":689,"line":761},[687,1901,765],{"emptyLinePlaceholder":764},[687,1903,1904],{"class":689,"line":768},[687,1905,1906],{"class":738},"# Slow requests (over 1s)\n",[687,1908,1909,1911,1913,1915,1917,1919,1922],{"class":689,"line":799},[687,1910,1881],{"class":1800},[687,1912,1884],{"class":714},[687,1914,1887],{"class":697},[687,1916,1890],{"class":1800},[687,1918,711],{"class":697},[687,1920,1921],{"class":714},"select(.durationMs > 1000)",[687,1923,718],{"class":697},[687,1925,1926],{"class":689,"line":835},[687,1927,765],{"emptyLinePlaceholder":764},[687,1929,1930],{"class":689,"line":953},[687,1931,1932],{"class":738},"# Requests by path\n",[687,1934,1935,1937,1939,1941,1943,1945,1948],{"class":689,"line":968},[687,1936,1881],{"class":1800},[687,1938,1884],{"class":714},[687,1940,1887],{"class":697},[687,1942,1890],{"class":1800},[687,1944,711],{"class":697},[687,1946,1947],{"class":714},"select(.path == \"\u002Fapi\u002Fcheckout\")",[687,1949,718],{"class":697},[1367,1951,1953],{"id":1952},"search-with-grep","Search with grep",[677,1955,1957],{"className":1846,"code":1956,"filename":1848,"language":1849,"meta":683,"style":683},"# Find all errors\ngrep '\"level\":\"error\"' .evlog\u002Flogs\u002F2026-03-14.jsonl\n\n# Find by request ID\ngrep 'req_abc123' .evlog\u002Flogs\u002F*.jsonl\n",[603,1958,1959,1964,1978,1982,1987],{"__ignoreMap":683},[687,1960,1961],{"class":689,"line":690},[687,1962,1963],{"class":738},"# Find all errors\n",[687,1965,1966,1969,1971,1974,1976],{"class":689,"line":742},[687,1967,1968],{"class":1800},"grep",[687,1970,711],{"class":697},[687,1972,1973],{"class":714},"\"level\":\"error\"",[687,1975,819],{"class":697},[687,1977,1862],{"class":714},[687,1979,1980],{"class":689,"line":761},[687,1981,765],{"emptyLinePlaceholder":764},[687,1983,1984],{"class":689,"line":768},[687,1985,1986],{"class":738},"# Find by request ID\n",[687,1988,1989,1991,1993,1996,1998,2001,2004],{"class":689,"line":799},[687,1990,1968],{"class":1800},[687,1992,711],{"class":697},[687,1994,1995],{"class":714},"req_abc123",[687,1997,819],{"class":697},[687,1999,2000],{"class":714}," .evlog\u002Flogs\u002F",[687,2002,2003],{"class":701},"*",[687,2005,2006],{"class":714},".jsonl\n",[670,2008,2010],{"id":2009},"call-the-drain-without-a-framework","Call the drain without a framework",[588,2012,2013],{},"For advanced use cases, use the lower-level write functions:",[677,2015,2017],{"className":679,"code":2016,"filename":681,"language":682,"meta":683,"style":683},"import { writeToFs, writeBatchToFs } from 'evlog\u002Ffs'\n\nawait writeToFs(event, {\n  dir: '.evlog\u002Flogs',\n  pretty: false,\n})\n\nawait writeBatchToFs(events, {\n  dir: '.evlog\u002Flogs',\n  pretty: false,\n})\n",[603,2018,2019,2043,2047,2060,2076,2088,2094,2098,2111,2125,2135],{"__ignoreMap":683},[687,2020,2021,2023,2025,2028,2030,2033,2035,2037,2039,2041],{"class":689,"line":690},[687,2022,694],{"class":693},[687,2024,698],{"class":697},[687,2026,2027],{"class":701}," writeToFs",[687,2029,827],{"class":697},[687,2031,2032],{"class":701}," writeBatchToFs",[687,2034,705],{"class":697},[687,2036,708],{"class":693},[687,2038,711],{"class":697},[687,2040,715],{"class":714},[687,2042,718],{"class":697},[687,2044,2045],{"class":689,"line":742},[687,2046,765],{"emptyLinePlaceholder":764},[687,2048,2049,2051,2053,2056,2058],{"class":689,"line":761},[687,2050,1137],{"class":693},[687,2052,2027],{"class":777},[687,2054,2055],{"class":701},"(event",[687,2057,827],{"class":697},[687,2059,796],{"class":697},[687,2061,2062,2065,2067,2069,2072,2074],{"class":689,"line":768},[687,2063,2064],{"class":816},"  dir",[687,2066,940],{"class":697},[687,2068,711],{"class":697},[687,2070,2071],{"class":714},".evlog\u002Flogs",[687,2073,819],{"class":697},[687,2075,950],{"class":697},[687,2077,2078,2081,2083,2086],{"class":689,"line":799},[687,2079,2080],{"class":816},"  pretty",[687,2082,940],{"class":697},[687,2084,2085],{"class":1594}," false",[687,2087,950],{"class":697},[687,2089,2090,2092],{"class":689,"line":835},[687,2091,838],{"class":697},[687,2093,841],{"class":701},[687,2095,2096],{"class":689,"line":953},[687,2097,765],{"emptyLinePlaceholder":764},[687,2099,2100,2102,2104,2107,2109],{"class":689,"line":968},[687,2101,1137],{"class":693},[687,2103,2032],{"class":777},[687,2105,2106],{"class":701},"(events",[687,2108,827],{"class":697},[687,2110,796],{"class":697},[687,2112,2113,2115,2117,2119,2121,2123],{"class":689,"line":1569},[687,2114,2064],{"class":816},[687,2116,940],{"class":697},[687,2118,711],{"class":697},[687,2120,2071],{"class":714},[687,2122,819],{"class":697},[687,2124,950],{"class":697},[687,2126,2127,2129,2131,2133],{"class":689,"line":1574},[687,2128,2080],{"class":816},[687,2130,940],{"class":697},[687,2132,2085],{"class":1594},[687,2134,950],{"class":697},[687,2136,2137,2139],{"class":689,"line":1580},[687,2138,838],{"class":697},[687,2140,841],{"class":701},[670,2142,2144],{"id":2143},"hand-the-file-to-an-agent","Hand the file to an agent",[588,2146,2147,2148,2154],{},"The file system drain pairs with the ",[659,2149,2150,2153],{"href":549},[603,2151,2152],{},"analyze-logs"," agent skill",". When installed, your AI assistant can read the NDJSON logs directly to debug errors, trace requests, and investigate performance without any external tools.",[670,2156,2158],{"id":2157},"next-steps","Next Steps",[592,2160,2161,2166,2172,2178],{},[595,2162,2163,2165],{},[659,2164,548],{"href":549}," - Let AI analyze your logs",[595,2167,2168,2171],{},[659,2169,2170],{"href":162},"Axiom Adapter"," - Send logs to Axiom for querying and dashboards",[595,2173,2174,2177],{},[659,2175,2176],{"href":514},"Pipeline"," - Add batching and retry to any drain",[595,2179,2180,2183],{},[659,2181,2182],{"href":509},"Custom Adapters"," - Build your own adapter",[2185,2186,2187],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sHwdD, html code.shiki .sHwdD{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sHdIc, html code.shiki .sHdIc{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}",{"title":683,"searchDepth":742,"depth":742,"links":2189},[2190,2191,2192,2193,2199,2200,2205,2206,2207],{"id":672,"depth":742,"text":20},{"id":721,"depth":742,"text":25},{"id":1328,"depth":742,"text":1329},{"id":1365,"depth":742,"text":526,"children":2194},[2195,2196,2197,2198],{"id":1369,"depth":761,"text":346},{"id":1475,"depth":761,"text":1476},{"id":1638,"depth":761,"text":1639},{"id":1659,"depth":761,"text":1660},{"id":1672,"depth":742,"text":1673},{"id":1838,"depth":742,"text":1839,"children":2201},[2202,2203,2204],{"id":1842,"depth":761,"text":1843},{"id":1865,"depth":761,"text":1866},{"id":1952,"depth":761,"text":1953},{"id":2009,"depth":742,"text":2010},{"id":2143,"depth":742,"text":2144},{"id":2157,"depth":742,"text":2158},"Write wide events to the local file system as NDJSON for local debugging, AI agent integration, and production backup.","md",[2211,2218],{"label":2212,"icon":2213,"to":2214,"target":2215,"color":2216,"variant":2217},"NDJSON Format","i-lucide-external-link","https:\u002F\u002Fgithub.com\u002Fndjson\u002Fndjson-spec","_blank","neutral","subtle",{"label":2170,"icon":164,"to":162,"color":2216,"variant":2217},{},{"title":216,"icon":219},{"title":583,"description":2208},"qTrNusBylR8EV6oy6tecrqeiujYbk3pUQ17J4K5q3kc",[2224,2226],{"title":206,"path":207,"stem":208,"description":2225,"icon":209,"children":-1},"Send wide events to HyperDX over OTLP\u002FHTTP, using its documented endpoint and authorization header. Configured from environment variables.",{"title":221,"path":222,"stem":223,"description":2227,"icon":224,"children":-1},"Self-hosted retention using NuxtHub database storage. Store, query, and clean up your wide events with no external dependency.",1789074380246]